Frame for an electric bicycle



FIG. 1 is a top, rear, and right-side perspective view of a frame for an electric bicycle showing my new design;

FIG. 2 is a right-side elevation view thereof;

FIG. 3 is a left-side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the frame for an electric bicycle that form no part of the claimed design. 

CLAIM The ornamental design for a frame for an electric bicycle, as shown and described. 